On Thu, Oct 13, 2016 at 02:15:22PM -0700, Andi Kleen wrote: > This adds uncore support on top of the recently merged JSON event list > infrastructure for core events. Uncore is everything outside the core, > including memory controllers, PCI, interconnect etc. > > Uncore is more complicated to handle than core events because it uses > many duplicated PMUs, which leads to long event lists and verbose duplicated > outputs. > > In fact previously it was nearly unusable for many cases without special > tools to generate event list and aggregate data (such as > https://github.com/andikleen/pmu-tools/tree/master/ucevent) > > With this patchkit we add: > - Basic support for uncore events in JSON events > - Support aliases that get duplicated over many PMUs transparently > - Support summing up duplicated PMUs per socket > - Support extending the perf stat builtin metrics with simple ratios > specified in the event list. This covers the vast majority of useful > metrics. > > So far mainly servers are supported. Also this is not using full event lists > (which are full of very obscure events) but only for a smaller subset of > curated useful and understandable metrics. > > The actual event lists are not posted, but available at > git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc > perf/intel-uncore-json-files-1 > > The code is available here > git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc > perf/builtin-json-15
perf test 5 is failing [jolsa@krava perf]$ sudo ./perf test 5 -v ... mem-loads -> cpu/event=0xcd,umask=0x1,ldlat=3/ failed to parse event 'mem-snp-hit:u,cpu/event=mem-snp-hit/u', err 1 test child finished with 1 ---- end ---- parse events tests: FAILED! jirka
